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874787028 = 22372898919
BaseRepresentation
bin110100001001000…
…011000011010100
32020222001210012120
4310021003003110
53242421141103
6222445415540
730451365333
oct6411030324
92228053176
10874787028
11409881495
12204b6a5b0
1310c30957b
1484275d1a
1551beb253
hex342430d4

874787028 has 12 divisors (see below), whose sum is σ = 2041169760. Its totient is φ = 291595672.

The previous prime is 874787027. The next prime is 874787051. The reversal of 874787028 is 820787478.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874787027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36449448 + ... + 36449471.

It is an arithmetic number, because the mean of its divisors is an integer number (170097480).

Almost surely, 2874787028 is an apocalyptic number.

It is an amenable number.

874787028 is an abundant number, since it is smaller than the sum of its proper divisors (1166382732).

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

874787028 is a wasteful number, since it uses less digits than its factorization.

874787028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72898926 (or 72898924 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The square root of 874787028 is about 29576.7988125828. The cubic root of 874787028 is about 956.3879849409.

The spelling of 874787028 in words is "eight hundred seventy-four million, seven hundred eighty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 72898919 145797838 218696757 291595676 437393514 874787028