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100401412 = 2225100353
BaseRepresentation
bin1011111110000…
…00000100000100
320222220220211211
411333000010010
5201200321122
613543541204
72326253326
oct577000404
9228826754
10100401412
1151746081
122975a804
1317a54427
14d497616
158c33877
hex5fc0104

100401412 has 6 divisors (see below), whose sum is σ = 175702478. Its totient is φ = 50200704.

The previous prime is 100401407. The next prime is 100401487. The reversal of 100401412 is 214104001.

It can be written as a sum of positive squares in only one way, i.e., 51036736 + 49364676 = 7144^2 + 7026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100401392 and 100401401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550173 + ... + 12550180.

Almost surely, 2100401412 is an apocalyptic number.

It is an amenable number.

100401412 is a deficient number, since it is larger than the sum of its proper divisors (75301066).

100401412 is a wasteful number, since it uses less digits than its factorization.

100401412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25100357 (or 25100355 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 100401412 is about 10020.0504988747. The cubic root of 100401412 is about 464.7791173545.

Adding to 100401412 its reverse (214104001), we get a palindrome (314505413).

The spelling of 100401412 in words is "one hundred million, four hundred one thousand, four hundred twelve".

Divisors: 1 2 4 25100353 50200706 100401412