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375409980 = 22325111719587
BaseRepresentation
bin10110011000000…
…100110100111100
3222011101210200100
4112120010310330
51232101104410
6101130201100
712205634511
oct2630046474
9864353610
10375409980
11182a00090
12a5883190
135ca11baa
1437c03308
1522e578c0
hex16604d3c

375409980 has 288 divisors, whose sum is σ = 1386927360. Its totient is φ = 81008640.

The previous prime is 375409919. The next prime is 375410047. The reversal of 375409980 is 89904573.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 639247 + ... + 639833.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2375409980 is an apocalyptic number.

375409980 is a gapful number since it is divisible by the number (30) 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 375409980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693463680).

375409980 is an abundant number, since it is smaller than the sum of its proper divisors (1011517380).

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

375409980 is a wasteful number, since it uses less digits than its factorization.

375409980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 375409980 is about 19375.4994774328. The cubic root of 375409980 is about 721.3874865433.

The spelling of 375409980 in words is "three hundred seventy-five million, four hundred nine thousand, nine hundred eighty".