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72514416 = 24313791471
BaseRepresentation
bin1000101001001…
…11101101110000
312001110010002010
410110213231300
5122030430131
611110122520
71540235202
oct424475560
9161403063
1072514416
1137a29177
1220350440
131203c150
1498b8772
156575b46
hex4527b70

72514416 has 80 divisors (see below), whose sum is σ = 204431360. Its totient is φ = 22014720.

The previous prime is 72514399. The next prime is 72514417. The reversal of 72514416 is 61441527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72514417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48561 + ... + 50031.

It is an arithmetic number, because the mean of its divisors is an integer number (2555392).

Almost surely, 272514416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72514416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102215680).

72514416 is an abundant number, since it is smaller than the sum of its proper divisors (131916944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72514416 is a wasteful number, since it uses less digits than its factorization.

72514416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1568 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 72514416 is about 8515.5396775542. The cubic root of 72514416 is about 417.0051814020.

The spelling of 72514416 in words is "seventy-two million, five hundred fourteen thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 79 104 156 158 208 237 312 316 474 624 632 948 1027 1264 1471 1896 2054 2942 3081 3792 4108 4413 5884 6162 8216 8826 11768 12324 16432 17652 19123 23536 24648 35304 38246 49296 57369 70608 76492 114738 116209 152984 229476 232418 305968 348627 458952 464836 697254 917904 929672 1394508 1510717 1859344 2789016 3021434 4532151 5578032 6042868 9064302 12085736 18128604 24171472 36257208 72514416