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274144230 = 23351015349
BaseRepresentation
bin10000010101110…
…001101111100110
3201002211222012000
4100111301233212
51030140103410
643111510130
76536121213
oct2025615746
9632758160
10274144230
11130824688
1277988346
1344a47229
14285a2b0a
1519102dc0
hex10571be6

274144230 has 32 divisors (see below), whose sum is σ = 731052000. Its totient is φ = 73105056.

The previous prime is 274144223. The next prime is 274144231. The reversal of 274144230 is 32441472.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 274144194 and 274144203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274144231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507405 + ... + 507944.

It is an arithmetic number, because the mean of its divisors is an integer number (22845375).

Almost surely, 2274144230 is an apocalyptic number.

274144230 is an abundant number, since it is smaller than the sum of its proper divisors (456907770).

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

274144230 is a wasteful number, since it uses less digits than its factorization.

274144230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015365 (or 1015359 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 274144230 is about 16557.3014105560. The cubic root of 274144230 is about 649.6204727217.

It can be divided in two parts, 2741442 and 30, that added together give a palindrome (2741472).

The spelling of 274144230 in words is "two hundred seventy-four million, one hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1015349 2030698 3046047 5076745 6092094 9138141 10153490 15230235 18276282 27414423 30460470 45690705 54828846 91381410 137072115 274144230