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100020070 = 2510002007
BaseRepresentation
bin1011111011000…
…10111101100110
320222012112202001
411331202331212
5201101120240
613531435514
72323104463
oct575427546
9228175661
10100020070
1151505617
12295b5b9a
131794c997
14d3d866a
158baa89a
hex5f62f66

100020070 has 8 divisors (see below), whose sum is σ = 180036144. Its totient is φ = 40008024.

The previous prime is 100020023. The next prime is 100020103. The reversal of 100020070 is 70020001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10002007 = 100020070 / (1 + 0 + 0 + 0 + 2 + 0 + 0 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000994 + ... + 5001013.

It is an arithmetic number, because the mean of its divisors is an integer number (22504518).

Almost surely, 2100020070 is an apocalyptic number.

100020070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020070 is a deficient number, since it is larger than the sum of its proper divisors (80016074).

100020070 is a wasteful number, since it uses less digits than its factorization.

100020070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002014.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 100020070 is about 10001.0034496544. The cubic root of 100020070 is about 464.1899335134.

Adding to 100020070 its reverse (70020001), we get a palindrome (170040071).

The spelling of 100020070 in words is "one hundred million, twenty thousand, seventy".

Divisors: 1 2 5 10 10002007 20004014 50010035 100020070