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1401025412 = 221610321751
BaseRepresentation
bin101001110000001…
…1111001110000100
310121122021110120002
41103200133032010
510332130303122
6351004500432
746501343123
oct12340371604
93548243502
101401025412
1165992a146
1233124a718
1319434a427
14d40dbaba
1582ee8992
hex5381f384

1401025412 has 12 divisors (see below), whose sum is σ = 2452059456. Its totient is φ = 700437000.

The previous prime is 1401025393. The next prime is 1401025489. The reversal of 1401025412 is 2145201041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53537 + ... + 75287.

It is an arithmetic number, because the mean of its divisors is an integer number (204338288).

Almost surely, 21401025412 is an apocalyptic number.

It is an amenable number.

1401025412 is a deficient number, since it is larger than the sum of its proper divisors (1051034044).

1401025412 is a wasteful number, since it uses less digits than its factorization.

1401025412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37858 (or 37856 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1401025412 is about 37430.2740038061. The cubic root of 1401025412 is about 1118.9619985375.

Adding to 1401025412 its reverse (2145201041), we get a palindrome (3546226453).

The spelling of 1401025412 in words is "one billion, four hundred one million, twenty-five thousand, four hundred twelve".

Divisors: 1 2 4 16103 21751 32206 43502 64412 87004 350256353 700512706 1401025412