Search a number
-
+
397124700 = 2235271937269
BaseRepresentation
bin10111101010111…
…010010001011100
31000200021000200020
4113222322101130
51303130442300
6103223432140
712561334650
oct2752722134
91020230606
10397124700
11194191735
12b0bb5650
136437593b
143aa56a60
1524ce68a0
hex17aba45c

397124700 has 288 divisors, whose sum is σ = 1424908800. Its totient is φ = 83358720.

The previous prime is 397124699. The next prime is 397124711. The reversal of 397124700 is 7421793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1476166 + ... + 1476434.

It is an arithmetic number, because the mean of its divisors is an integer number (4947600).

Almost surely, 2397124700 is an apocalyptic number.

397124700 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 397124700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712454400).

397124700 is an abundant number, since it is smaller than the sum of its proper divisors (1027784100).

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

397124700 is a wasteful number, since it uses less digits than its factorization.

397124700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 397124700 is about 19927.9878562789. The cubic root of 397124700 is about 735.0366032953.

The spelling of 397124700 in words is "three hundred ninety-seven million, one hundred twenty-four thousand, seven hundred".