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52758496 = 257233647
BaseRepresentation
bin1100100101000…
…0011111100000
310200021102001101
43021100133200
5102001232441
65122444144
71210303600
oct311203740
9120242041
1052758496
112786526a
1215803654
13ac12b5b
147014c00
154972231
hex32507e0

52758496 has 36 divisors (see below), whose sum is σ = 120829968. Its totient is φ = 22610112.

The previous prime is 52758493. The next prime is 52758499. The reversal of 52758496 is 69485725.

It is an interprime number because it is at equal distance from previous prime (52758493) and next prime (52758499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52758493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15256 + ... + 18391.

It is an arithmetic number, because the mean of its divisors is an integer number (3356388).

Almost surely, 252758496 is an apocalyptic number.

52758496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52758496 is an abundant number, since it is smaller than the sum of its proper divisors (68071472).

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

52758496 is a wasteful number, since it uses less digits than its factorization.

52758496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33671 (or 33656 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 52758496 is about 7263.5043883789. The cubic root of 52758496 is about 375.0571669884.

The spelling of 52758496 in words is "fifty-two million, seven hundred fifty-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 33647 67294 134588 235529 269176 471058 538352 942116 1076704 1648703 1884232 3297406 3768464 6594812 7536928 13189624 26379248 52758496