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100690970 = 2510069097
BaseRepresentation
bin1100000000001…
…10110000011010
321000110122001012
412000012300122
5201234102340
613554053522
72331600452
oct600066032
9230418035
10100690970
1151923686
122987a2a2
1317b26173
14d530d62
158c8e565
hex6006c1a

100690970 has 8 divisors (see below), whose sum is σ = 181243764. Its totient is φ = 40276384.

The previous prime is 100690963. The next prime is 100690973. The reversal of 100690970 is 79096001.

It can be written as a sum of positive squares in 2 ways, for example, as 99420841 + 1270129 = 9971^2 + 1127^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100690973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5034539 + ... + 5034558.

Almost surely, 2100690970 is an apocalyptic number.

100690970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100690970 is a deficient number, since it is larger than the sum of its proper divisors (80552794).

100690970 is a wasteful number, since it uses less digits than its factorization.

100690970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069104.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 100690970 is about 10034.4890253565. The cubic root of 100690970 is about 465.2254966733.

The spelling of 100690970 in words is "one hundred million, six hundred ninety thousand, nine hundred seventy".

Divisors: 1 2 5 10 10069097 20138194 50345485 100690970