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331001070 = 23529380461
BaseRepresentation
bin10011101110101…
…010110011101110
3212001211121002220
4103232222303232
51134214013240
652502300210
711126314461
oct2356526356
9761747086
10331001070
1115a929004
1292a27666
135376362a
1431d632d8
151e0d45d0
hex13baacee

331001070 has 32 divisors (see below), whose sum is σ = 821797920. Its totient is φ = 85223040.

The previous prime is 331000973. The next prime is 331001081. The reversal of 331001070 is 70100133.

It is a super-2 number, since 2×3310010702 = 219123416682289800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189361 + ... + 191100.

It is an arithmetic number, because the mean of its divisors is an integer number (25681185).

Almost surely, 2331001070 is an apocalyptic number.

331001070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331001070 is an abundant number, since it is smaller than the sum of its proper divisors (490796850).

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

331001070 is a wasteful number, since it uses less digits than its factorization.

331001070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380500.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 331001070 is about 18193.4348048960. The cubic root of 331001070 is about 691.7403870392.

The spelling of 331001070 in words is "three hundred thirty-one million, one thousand, seventy".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 380461 760922 1141383 1902305 2282766 3804610 5706915 11033369 11413830 22066738 33100107 55166845 66200214 110333690 165500535 331001070