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102898970 = 2553194149
BaseRepresentation
bin1100010001000…
…01110100011010
321011121210211222
412020201310122
5202320231340
614113252042
72356424666
oct610416432
9234553758
10102898970
11530a1579
122a564022
131841a185
14d9478a6
1590788b5
hex6221d1a

102898970 has 16 divisors (see below), whose sum is σ = 188713800. Its totient is φ = 40382784.

The previous prime is 102898967. The next prime is 102898973. The reversal of 102898970 is 79898201.

It is an interprime number because it is at equal distance from previous prime (102898967) and next prime (102898973).

It can be written as a sum of positive squares in 4 ways, for example, as 58049161 + 44849809 = 7619^2 + 6697^2 .

It is not an unprimeable number, because it can be changed into a prime (102898973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96545 + ... + 97604.

Almost surely, 2102898970 is an apocalyptic number.

102898970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102898970 is a deficient number, since it is larger than the sum of its proper divisors (85814830).

102898970 is a wasteful number, since it uses less digits than its factorization.

102898970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194209.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 102898970 is about 10143.9129530966. The cubic root of 102898970 is about 468.6015015241.

The spelling of 102898970 in words is "one hundred two million, eight hundred ninety-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 53 106 265 530 194149 388298 970745 1941490 10289897 20579794 51449485 102898970