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148374381 = 3436717167
BaseRepresentation
bin10001101100000…
…00001101101101
3101100012012101110
420312000031231
5300440440011
622420102233
73451106241
oct1066001555
9340165343
10148374381
1176831961
1241834979
132497ccbc
14159c4421
15d05cba6
hex8d8036d

148374381 has 16 divisors (see below), whose sum is σ = 205466624. Its totient is φ = 95168304.

The previous prime is 148374379. The next prime is 148374389. The reversal of 148374381 is 183473841.

It is not a de Polignac number, because 148374381 - 21 = 148374379 is a prime.

It is a super-2 number, since 2×1483743812 = 44029913874266322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148374389) 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, 60 + ... + 17226.

It is an arithmetic number, because the mean of its divisors is an integer number (12841664).

Almost surely, 2148374381 is an apocalyptic number.

It is an amenable number.

148374381 is a deficient number, since it is larger than the sum of its proper divisors (57092243).

148374381 is a wasteful number, since it uses less digits than its factorization.

148374381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17280.

The product of its digits is 64512, while the sum is 39.

The square root of 148374381 is about 12180.9023064796. The cubic root of 148374381 is about 529.4028887045.

The spelling of 148374381 in words is "one hundred forty-eight million, three hundred seventy-four thousand, three hundred eighty-one".

Divisors: 1 3 43 67 129 201 2881 8643 17167 51501 738181 1150189 2214543 3450567 49458127 148374381