Search a number
-
+
45757920 = 2535137333
BaseRepresentation
bin1010111010001…
…1010111100000
310012002202001210
42232203113200
543203223140
64312430120
71063636005
oct256432740
9105082053
1045757920
112391366a
12133a8340
1396315c0
1461118ac
15403cd80
hex2ba35e0

45757920 has 96 divisors (see below), whose sum is σ = 155246112. Its totient is φ = 11261952.

The previous prime is 45757903. The next prime is 45757939. The reversal of 45757920 is 2975754.

45757920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2574 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (1617147).

Almost surely, 245757920 is an apocalyptic number.

45757920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45757920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77623056).

45757920 is an abundant number, since it is smaller than the sum of its proper divisors (109488192).

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

45757920 is a wasteful number, since it uses less digits than its factorization.

45757920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 45757920 is about 6764.4600671450. The cubic root of 45757920 is about 357.6751419851.

The spelling of 45757920 in words is "forty-five million, seven hundred fifty-seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 6240 7333 14666 21999 29332 36665 43998 58664 73330 87996 95329 109995 117328 146660 175992 190658 219990 234656 285987 293320 351984 381316 439980 476645 571974 586640 703968 762632 879960 953290 1143948 1173280 1429935 1525264 1759920 1906580 2287896 2859870 3050528 3519840 3813160 4575792 5719740 7626320 9151584 11439480 15252640 22878960 45757920