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376721420 = 22537213759
BaseRepresentation
bin10110011101000…
…101000000001100
3222020212102122012
4112131011000030
51232420041140
6101214240352
712223036115
oct2635050014
9866772565
10376721420
11183716419
12a61b60b8
1360080aaa
143806520c
1523116265
hex1674500c

376721420 has 36 divisors (see below), whose sum is σ = 813133440. Its totient is φ = 146605248.

The previous prime is 376721399. The next prime is 376721473. The reversal of 376721420 is 24127673.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20501 + ... + 34259.

It is an arithmetic number, because the mean of its divisors is an integer number (22587040).

Almost surely, 2376721420 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 376721420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406566720).

376721420 is an abundant number, since it is smaller than the sum of its proper divisors (436412020).

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

376721420 is a wasteful number, since it uses less digits than its factorization.

376721420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13842 (or 13803 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 376721420 is about 19409.3127132312. The cubic root of 376721420 is about 722.2265309232.

The spelling of 376721420 in words is "three hundred seventy-six million, seven hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1369 2738 5476 6845 13690 13759 27380 27518 55036 68795 137590 275180 509083 1018166 2036332 2545415 5090830 10181660 18836071 37672142 75344284 94180355 188360710 376721420