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38980755 = 3251127159
BaseRepresentation
bin1001010010110…
…0110010010011
32201100102112200
42110230302103
534434341010
63511254243
7652221342
oct224546223
981312480
1038980755
1120004900
121107a383
1380ca948
145269b59
15364ecc0
hex252cc93

38980755 has 36 divisors (see below), whose sum is σ = 74277840. Its totient is φ = 18897120.

The previous prime is 38980751. The next prime is 38980757. The reversal of 38980755 is 55708983.

It is not a de Polignac number, because 38980755 - 22 = 38980751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 38980755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38980751) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1866 + ... + 9024.

Almost surely, 238980755 is an apocalyptic number.

38980755 is a deficient number, since it is larger than the sum of its proper divisors (35297085).

38980755 is a wasteful number, since it uses less digits than its factorization.

38980755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 38980755 is about 6243.4569751060. The cubic root of 38980755 is about 339.0653540431.

The spelling of 38980755 in words is "thirty-eight million, nine hundred eighty thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 121 165 363 495 605 1089 1815 5445 7159 21477 35795 64431 78749 107385 236247 322155 393745 708741 866239 1181235 2598717 3543705 4331195 7796151 12993585 38980755