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10021312 = 26722369
BaseRepresentation
bin100110001110…
…100111000000
3200212010122201
4212032213000
510031140222
6554442544
7151115440
oct46164700
920763581
1010021312
115725184
123433454
1320cb492
14148c120
15d2e427
hex98e9c0

10021312 has 28 divisors (see below), whose sum is σ = 22727920. Its totient is φ = 4294656.

The previous prime is 10021301. The next prime is 10021331. The reversal of 10021312 is 21312001.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10737 + ... + 11632.

Almost surely, 210021312 is an apocalyptic number.

It is an amenable number.

10021312 is an abundant number, since it is smaller than the sum of its proper divisors (12706608).

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

10021312 is an equidigital number, since it uses as much as digits as its factorization.

10021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22388 (or 22378 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 10021312 is about 3165.6455897652. The cubic root of 10021312 is about 215.5964114447.

Adding to 10021312 its reverse (21312001), we get a palindrome (31333313).

It can be divided in two parts, 100 and 21312, that added together give a palindrome (21412).

The spelling of 10021312 in words is "ten million, twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 22369 44738 89476 156583 178952 313166 357904 626332 715808 1252664 1431616 2505328 5010656 10021312