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45005976 = 23331391499
BaseRepresentation
bin1010101110101…
…1110010011000
310010200112121000
42223223302120
543010142401
64244345000
71054354521
oct253536230
9103615530
1045005976
112344a724
12130a5160
13942a272
145d97848
153e40186
hex2aebc98

45005976 has 64 divisors (see below), whose sum is σ = 126000000. Its totient is φ = 14884128.

The previous prime is 45005971. The next prime is 45005981. The reversal of 45005976 is 67950054.

It is an interprime number because it is at equal distance from previous prime (45005971) and next prime (45005981).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45005976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45005971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29275 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (1968750).

Almost surely, 245005976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45005976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63000000).

45005976 is an abundant number, since it is smaller than the sum of its proper divisors (80994024).

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

45005976 is a wasteful number, since it uses less digits than its factorization.

45005976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 45005976 is about 6708.6493424534. The cubic root of 45005976 is about 355.7050749331.

The spelling of 45005976 in words is "forty-five million, five thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 139 216 278 417 556 834 1112 1251 1499 1668 2502 2998 3336 3753 4497 5004 5996 7506 8994 10008 11992 13491 15012 17988 26982 30024 35976 40473 53964 80946 107928 161892 208361 323784 416722 625083 833444 1250166 1666888 1875249 2500332 3750498 5000664 5625747 7500996 11251494 15001992 22502988 45005976