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87714748 = 221131107601
BaseRepresentation
bin1010011101001…
…10101110111100
320010001101000101
411032212232330
5134423332443
612412010444
72113364062
oct516465674
9203041011
1087714748
1145570430
1225460a24
1315231a24
14b914032
157a7984d
hex53a6bbc

87714748 has 48 divisors (see below), whose sum is σ = 174763008. Its totient is φ = 38160000.

The previous prime is 87714743. The next prime is 87714761. The reversal of 87714748 is 84741778.

It is a junction number, because it is equal to n+sod(n) for n = 87714698 and 87714707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87714743) 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, 145648 + ... + 146248.

It is an arithmetic number, because the mean of its divisors is an integer number (3640896).

Almost surely, 287714748 is an apocalyptic number.

It is an amenable number.

87714748 is a deficient number, since it is larger than the sum of its proper divisors (87048260).

87714748 is a wasteful number, since it uses less digits than its factorization.

87714748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 752 counting only the distinct ones).

The product of its digits is 351232, while the sum is 46.

The square root of 87714748 is about 9365.6151960242. The cubic root of 87714748 is about 444.3148957885.

It can be divided in two parts, 877 and 14748, that added together give a 6-th power (15625 = 56).

The spelling of 87714748 in words is "eighty-seven million, seven hundred fourteen thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 22 31 44 62 107 124 214 341 428 601 682 1177 1202 1364 2354 2404 3317 4708 6611 6634 13222 13268 18631 26444 36487 37262 64307 72974 74524 128614 145948 204941 257228 409882 707377 819764 1414754 1993517 2829508 3987034 7974068 21928687 43857374 87714748