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2975472 = 243220663
BaseRepresentation
bin1011010110011011110000
312121011120200
423112123300
51230203342
6143435200
734201563
oct13263360
95534520
102975472
111752575
12bb5b00
13802446
145764da
153db94c
hex2d66f0

2975472 has 30 divisors (see below), whose sum is σ = 8327592. Its totient is φ = 991776.

The previous prime is 2975449. The next prime is 2975477. The reversal of 2975472 is 2745792.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2975477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10188 + ... + 10475.

22975472 is an apocalyptic number.

It is an amenable number.

2975472 is an abundant number, since it is smaller than the sum of its proper divisors (5352120).

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

2975472 is a wasteful number, since it uses less digits than its factorization.

2975472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20677 (or 20668 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2975472 is about 1724.9556516038. The cubic root of 2975472 is about 143.8308198330.

The spelling of 2975472 in words is "two million, nine hundred seventy-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 20663 41326 61989 82652 123978 165304 185967 247956 330608 371934 495912 743868 991824 1487736 2975472