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44697140 = 2256136637
BaseRepresentation
bin1010101010000…
…0011000110100
310010002211221122
42222200120310
542420302030
64234003112
71051630235
oct252403064
9103084848
1044697140
1123259694
1212b76498
13934c817
145d1708c
153dcd8e5
hex2aa0634

44697140 has 24 divisors (see below), whose sum is σ = 95405352. Its totient is φ = 17585280.

The previous prime is 44697137. The next prime is 44697143. The reversal of 44697140 is 4179644.

It is an interprime number because it is at equal distance from previous prime (44697137) and next prime (44697143).

It can be written as a sum of positive squares in 4 ways, for example, as 128164 + 44568976 = 358^2 + 6676^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44697140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44697143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17099 + ... + 19538.

It is an arithmetic number, because the mean of its divisors is an integer number (3975223).

Almost surely, 244697140 is an apocalyptic number.

It is an amenable number.

44697140 is an abundant number, since it is smaller than the sum of its proper divisors (50708212).

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

44697140 is a wasteful number, since it uses less digits than its factorization.

44697140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36707 (or 36705 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 44697140 is about 6685.5919707981. The cubic root of 44697140 is about 354.8895775062.

The spelling of 44697140 in words is "forty-four million, six hundred ninety-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 36637 73274 146548 183185 366370 732740 2234857 4469714 8939428 11174285 22348570 44697140