Search a number
-
+
100402010 = 2573137537
BaseRepresentation
bin1011111110000…
…00001101011010
320222220221122222
411333000031122
5201200331020
613543544042
72326255142
oct577001532
9228827588
10100402010
1151746575
122975b022
1317a54797
14d497922
158c33b25
hex5fc035a

100402010 has 16 divisors (see below), whose sum is σ = 183200616. Its totient is φ = 39610368.

The previous prime is 100401991. The next prime is 100402019. The reversal of 100402010 is 10204001.

It can be written as a sum of positive squares in 4 ways, for example, as 95199049 + 5202961 = 9757^2 + 2281^2 .

It is a super-2 number, since 2×1004020102 = 20161127224080200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100402019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68039 + ... + 69498.

Almost surely, 2100402010 is an apocalyptic number.

100402010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100402010 is a deficient number, since it is larger than the sum of its proper divisors (82798606).

100402010 is a wasteful number, since it uses less digits than its factorization.

100402010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137617.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 100402010 is about 10020.0803389993. The cubic root of 100402010 is about 464.7800401083.

Adding to 100402010 its reverse (10204001), we get a palindrome (110606011).

The spelling of 100402010 in words is "one hundred million, four hundred two thousand, ten".

Divisors: 1 2 5 10 73 146 365 730 137537 275074 687685 1375370 10040201 20080402 50201005 100402010