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38129152 = 2974471
BaseRepresentation
bin1001000101110…
…0111000000000
32122202011100211
42101130320000
534230113102
63441123504
7642043465
oct221347000
978664324
1038129152
111a582aa6
1210929594
137b90139
1450c766c
1535327d7
hex245ce00

38129152 has 20 divisors (see below), whose sum is σ = 76184856. Its totient is φ = 19064320.

The previous prime is 38129137. The next prime is 38129167. The reversal of 38129152 is 25192183.

It is an interprime number because it is at equal distance from previous prime (38129137) and next prime (38129167).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36724 + ... + 37747.

Almost surely, 238129152 is an apocalyptic number.

38129152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38129152 is a deficient number, since it is larger than the sum of its proper divisors (38055704).

38129152 is an frugal number, since it uses more digits than its factorization.

38129152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74489 (or 74473 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 38129152 is about 6174.8807275930. The cubic root of 38129152 is about 336.5779923091.

The spelling of 38129152 in words is "thirty-eight million, one hundred twenty-nine thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 74471 148942 297884 595768 1191536 2383072 4766144 9532288 19064576 38129152