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98306140 = 22523474547
BaseRepresentation
bin1011101110000…
…00100001011100
320211222110200011
411313000201130
5200131244030
613431013004
72302405552
oct567004134
9224873604
1098306140
1150544949
1228b0a164
131749c81a
14d0adbd2
15896cb2a
hex5dc085c

98306140 has 48 divisors (see below), whose sum is σ = 220050432. Its totient is φ = 36804416.

The previous prime is 98306123. The next prime is 98306147. The reversal of 98306140 is 4160389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98306147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19347 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (4584384).

Almost surely, 298306140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98306140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110025216).

98306140 is an abundant number, since it is smaller than the sum of its proper divisors (121744292).

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

98306140 is a wasteful number, since it uses less digits than its factorization.

98306140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 98306140 is about 9914.9452847709. The cubic root of 98306140 is about 461.5232114477.

The spelling of 98306140 in words is "ninety-eight million, three hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 47 92 94 115 188 230 235 460 470 940 1081 2162 4324 4547 5405 9094 10810 18188 21620 22735 45470 90940 104581 209162 213709 418324 427418 522905 854836 1045810 1068545 2091620 2137090 4274180 4915307 9830614 19661228 24576535 49153070 98306140