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88072030 = 2519463537
BaseRepresentation
bin1010011111111…
…01111101011110
320010201112010001
411033331331132
5140021301110
612423404514
72116412524
oct517757536
9203645101
1088072030
1145794902
12255b373a
1315328537
14b9a8314
157aea63a
hex53fdf5e

88072030 has 16 divisors (see below), whose sum is σ = 166873680. Its totient is φ = 33374592.

The previous prime is 88072009. The next prime is 88072057. The reversal of 88072030 is 3027088.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88072030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231579 + ... + 231958.

It is an arithmetic number, because the mean of its divisors is an integer number (10429605).

Almost surely, 288072030 is an apocalyptic number.

88072030 is a deficient number, since it is larger than the sum of its proper divisors (78801650).

88072030 is a wasteful number, since it uses less digits than its factorization.

88072030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463563.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 88072030 is about 9384.6699462474. The cubic root of 88072030 is about 444.9173435673.

The spelling of 88072030 in words is "eighty-eight million, seventy-two thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 463537 927074 2317685 4635370 8807203 17614406 44036015 88072030